The average temperature for the week of 23 June 2025 - 29 June 2025 was 26 °C (79 °F) during the day and 23 °C (73 °F) during the night. Both the daily and night temperatures in Avarua are roughly same as the long-term average, which is around 25 °C (77 °F) and 20 °C (68 °F) respectively. The average temperatures observed during different times of day (based on local time) were as below: 7am 23 °C (73 °F), 10am 24 °C (75 °F), 1pm 25 °C (77 °F), 4pm 25 °C (77 °F), 7pm 23 °C (73 °F), 10pm 23 °C (73 °F).

The week had 3 days without rain, 3 days with light rain and 1 day with moderate rain. Avarua received 21 mm (0.83 in) of precipitation throughout the week, which is roughly same as its long-term average of 22 mm (0.87 in). The average cloud coverage during the daytime (from dawn to dusk) was 72 %.

An average wind speed of 6.5 m/s was recorded. East was the dominant wind direction(s). The air pressure varied between 1015 hpa and 1021 hpa. The air in Avarua had an average humidity of 81 %.

On average, there were 2.5 hours partially overcast skies, 7 hours overcast skies and 2 hours rainy weather during the daytime (from dawn to dusk). The sunrise on average occurred at 07:16, and the sunset occurred at 18:07.

Weather overview

Avarua (Cook Islands) in general has a tropical climate. Temperatures during the day are in the range from 25 °C (76 °F) in August to 29 °C (85 °F) in February. Temperatures during the night go from 20 °C (68 °F) in August to 24 °C (75 °F) in February. The driest month is August with just 3 days of rain, on the contrary, the month when it rains the most is March with 18 days of rain. The highest sea temperatures in Avarua are in March with 27 °C (81 °F) and the lowest in August with 24 °C (75 °F).

January weather

The day temperature rises similarly to the previous month, with its value being 29 °C (84 °F) in Avarua, and the sea temperature rises similarly to the previous month too, the value of this measure is 27 °C (80 °F). The wet season is at its beginning. The number of rainy days rises similarly to the previous month, with its value being 17 days, while the maximum of the rainfall amount is observable, with its value of 221 mm (8.72 in). The number of sun hours (without clouds) is on its maximum, with its value being 0 hours.

February weather

The maximum of the day temperature is observable, with its value of 29 °C (85 °F) in Avarua, while the sea temperature rises similarly to the previous month, the value of this measure is 27 °C (81 °F). The rise of the number of rainy days can be observed, the value of this measure is 18 days, while the beginning of the descent of the rainfall amount could be noticed in this month. The wet season is taking place. The night temperature reaches its maximum in this month.

March weather

The sea temperature reaches its maximum, with its value of 27 °C (81 °F) in Avarua. The wet season is taking place. The rainfall amount descents similarly to the previous month, while the number of rainy days is on its maximum, its value is 18 days.

April weather

The day temperature descent's start could be observed, its value is 28 °C (83 °F) in Avarua, and the night temperature starts to descent as well, its value is 23 °C (73 °F). The wet season is taking place. The number of rainy days starts to descent, the value of this measure is 14 days, on the contrary the rainfall amount starts to rise, the value of this measure is 204 mm (8.01 in).

May weather

The tourist season is about to start this month in Avarua. The sea temperature starts to descent, while the day temperature continues to descent, the value of this measure is 27 °C (80 °F). The number of rainy days continues to descent, with its value of 8 days, while the beginning of the descent of the rainfall amount could be noticed in this month. The night temperature continues to descent, its value is 22 °C (71 °F).

June weather

The descent of the day temperature can be observed, with its value being 26 °C (78 °F) in Avarua, and the descent of the sea temperature can be observed as well, the value of this measure is 25 °C (77 °F). There is pending tourist season in June. The number of rainy days descents similarly to the previous month, with its value of 5 days, while the rainfall amount reaches its minimum, with its value being 88 mm (3.48 in). The night temperature continues to descent, with its value being 21 °C (69 °F).

July weather

There is pending tourist season in Avarua, and the dry season is taking place as well in July. The sea temperature continues to descent, with its value being 24 °C (76 °F), and the day temperature continues to descent too, with its value of 25 °C (77 °F). The rainfall amount starts to rise, its value is 108 mm (4.26 in), while the number of rainy days continues to descent, with its value of 5 days.

August weather

The day temperature reaches its minimum, with its value of 25 °C (76 °F) in Avarua, and the minimum of the sea temperature can be noticed as well, with its value being 24 °C (75 °F). The tourist season continues. The minimum of the number of rainy days can be noticed, with its value of 3 days, while the rainfall amount starts to descent, its value is 90 mm (3.56 in). The minimum of the night temperature is observable, with its value being 20 °C (68 °F).

September weather

The tourist season continues in Avarua, and the ongoing dry season is noticeable too this month. The number of rainy days starts to rise in this month. The day temperature rise's start could be observed in September. The wind speed reaches its maximum, with its value of 5.

October weather

The tourist season continues in Avarua, and the dry season is close to its peak as well. The beginning of the rise of the rainfall amount could be noticed in this month. The night temperature starts to rise, with its value of 21 °C (70 °F), while the day temperature continues to rise.

November weather

The day temperature rises similarly to the previous month, with its value of 27 °C (81 °F) in Avarua, while the beginning of the rise of the sea temperature could be noticed. There is pending tourist season. The number of rainy days starts to rise, with its value being 6 days, while the rainfall amount rises similarly to the previous month, the value of this measure is 139 mm (5.46 in). The night temperature rises similarly to the previous month, with its value of 22 °C (71 °F).

December weather

The day temperature continues to rise, with its value being 28 °C (83 °F) in Avarua, and the sea temperature rises similarly to the previous month as well, its value is 26 °C (79 °F). The tourist season is close to its peak. The number of rainy days rises similarly to the previous month, the value of this measure is 11 days. The maximum of the day length is observable, with its value of 13 hours. The rise of the night temperature can be observed, its value is 23 °C (73 °F).

What is the night temperature in Avarua in May?

The average night temperature in May in Avarua is 22 °C (71 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.

What is the temperature in Avarua during the day in June?

The average daily temperature in June in Avarua is 26 °C (78 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.

Is July a good month to visit Avarua?

July is one of the best months to visit Avarua. The daily temperatures in this month reach pleasant 25 °C (77 °F). The temperature of the sea will be perfect at 24 °C (76 °F). At night, temperatures hover around a pleasant 20 °C (68 °F). You can expect just 5 days of rain during the month, taking an umbrella is not necessary.

How many days of precipitation on average can I expect in August in Avarua?

There are 3 days, which are rainy in Avarua in August, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 0.7 days of the week, or in general - 10 % days.

What is the sea temperature in Avarua in September?

The sea will reach 24 °C (75 °F) in Avarua in September. It will be comfortable for you to spend even a long time in a sea warm like this, there will be people for whom this temperature will be too low or too high.

Is there a wet season in Avarua in October?

No, there is no wet season in Avarua in October - you can expect 4 days of rain during the month.

Is it hot in November in Avarua?

In Avarua in November, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

How windy is Avarua in December?

In Avarua in December, there will be an average wind scale of 5.